Blanket



FIG. 1 is a perspective view of a blanket showing the new design; and,

FIG. 2 is a top plan view of the blanket shown in FIG. 1 (the bottom view of the blanket is a mirror image of the view shown in FIG. 2).

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a blanket, as shown and described. 